EP0952719A1 - Radiocommunications terminal - Google Patents

Radiocommunications terminal Download PDF

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Publication number
EP0952719A1
EP0952719A1 EP99400794A EP99400794A EP0952719A1 EP 0952719 A1 EP0952719 A1 EP 0952719A1 EP 99400794 A EP99400794 A EP 99400794A EP 99400794 A EP99400794 A EP 99400794A EP 0952719 A1 EP0952719 A1 EP 0952719A1
Authority
EP
European Patent Office
Prior art keywords
microphone
terminal
housing
rear face
terminal according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99400794A
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German (de)
French (fr)
Other versions
EP0952719B1 (en
Inventor
Luc Attimont
Jannick Bodin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCT Mobile Ltd
Original Assignee
Alcatel CIT SA
Alcatel SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP0952719A1 publication Critical patent/EP0952719A1/en
Application granted granted Critical
Publication of EP0952719B1 publication Critical patent/EP0952719B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

Definitions

  • the invention relates to a radiocommunication terminal.
  • radio telecommunications terminal is meant more precisely but not limited to the terminals of wireless telephones and mobile terminals of the GSM type.
  • the invention applies more particularly to small radio communication terminals for which it is difficult to reproduce the word-of-mouth distance of the user, required to obtain good exploitation of the audio part of the terminal.
  • the radiocommunication terminals comprise a box having a front face, a rear face and a base.
  • the front panel generally comprises a keyboard, a screen, an input opening constituting an input interface with a microphone and an output opening constituting an output interface with a headset.
  • the microphone and the earphone are mounted in the housing, the microphone inlet and the earphone outlet being oriented respectively towards the inlet opening and the outlet opening.
  • One solution to the problem mentioned above consists in adding in the terminal a part making it possible to deploy the microphone so that the distance between the microphone and the earpiece of the terminal corresponds substantially to the word-of-mouth distance of the user.
  • this part is in the form of a hinged flap at the base of the housing, which, in the use position, extends the terminal.
  • This flap contains the microphone and has an entry opening on the face corresponding to the front face of the housing.
  • connection means have a limited lifespan and have, like all mechanical equipment, very relative reliability.
  • the invention therefore aims to overcome these drawbacks.
  • the subject of the invention is a telephone terminal whose structure makes it possible to respect the required distance between the mouth and the ear of the user, so as to obtain good exploitation of the audio part of the station, and without adding any element. additional mechanical on the terminal.
  • the invention further relates to a radiocommunication terminal whose cost and volume are reduced.
  • the invention provides a radiocommunication terminal, comprising a housing having a front face, a rear face and a base, the terminal further comprising a microphone and an earpiece mounted in the housing, and at at least one entry opening constituting an entry interface with the microphone and at least one exit opening constituting an exit interface with the earphone, characterized in that the entry opening is on said rear face.
  • the entry opening constituting the entry interface with the microphone is on the palm side. by hand, so that an acoustic waveguide is formed by the rear face of the housing, on the one hand, and the cavity formed between the terminal and the palm of the hand on the other hand.
  • the latter in the hands-free position, that is to say when the terminal is placed for example on a table, the latter also makes it possible to form an acoustic waveguide, so that the sound transmission is also good in this position.
  • the microphone is mounted near a border area between the base and the rear face of the housing.
  • a recess is provided in the border area.
  • This recess may have a rounded shape formed on a part of said border area, extending substantially at the center of the border area.
  • the recess has a bevel shape.
  • the terminal further comprises an acoustic waveguide primer formed in the housing, near the microphone and whose input is oriented towards the microphone and whose output is oriented towards the inlet opening constituting the input interface with the microphone.
  • the invention provides a hands-free device comprising a terminal according to the invention, characterized in that it further comprises a means forming a wall separate from the terminal, making it possible to create, with the rear face of the housing of the terminal, an acoustic wave guide making it possible to guide the speech emitted by a user towards the entry opening constituting the entry interface with the microphone.
  • the wall-forming means consists of the element against which the rear face of the housing is applied.
  • the invention proposes a means forming an acoustic waveguide intended for use with a terminal according to the invention, having a shape such that it creates, with the rear face of the terminal housing, a guide acoustic waves for guiding speech emitted by a user to the entry opening constituting the entry interface with the microphone.
  • Figure 1 is a schematic perspective representation, front side view of a first embodiment of a terminal according to the invention, in the position of use.
  • FIG. 2 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 1.
  • Figure 3 is a schematic perspective representation, front side view of a second embodiment of a terminal in the use position.
  • FIG. 4 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 3.
  • Figure 5 is a schematic perspective representation, front side view of a third embodiment of a terminal in the use position.
  • FIG. 6 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 5.
  • Figure 7 is a schematic perspective representation, front side view of an embodiment of a hands-free device according to the invention.
  • the terminal 1 is intended to be used either in the so-called normal position, where it is in the user's hand, or in the hands-free position.
  • It comprises a housing 2 having a front face 3, a rear face 4, a base 5 and side edges 6.
  • the front face 3 On the front face 3 are mounted in particular a screen 7 and a keyboard 8 with keys 9.
  • the front face 3 further comprises an outlet opening 10 which constitutes an interface with a listener (not shown) mounted in the housing 2.
  • the interface with the earpiece can consist of several outlet openings 10.
  • the terminal 1 further comprises an input opening 11 constituting an input interface with a microphone (not shown) also mounted in the housing 2.
  • the input interface can consist of several openings entry 11.
  • the inlet opening 11 is formed on the rear face 4 of the housing 2 of the terminal 1.
  • the speech emitted by the user is guided towards the inlet opening 11 by means of an acoustic wave guide 12, shown in dotted lines in FIG. 1, which is formed by the rear face 4 of the housing 2, on the one hand, and by the cavity created between the terminal and the palm of the hand 13 of the user, on the other hand.
  • This waveguide 12 makes it possible to reproduce the word-of-mouth distance of the user, required to have good exploitation of the audio part of the terminal 1, and this more particularly for small terminals.
  • this structure can also be applied to larger terminals for which the distance between inlet opening and outlet opening already corresponds substantially to the mouth-to-ear distance of the user. It has the advantage, in this case, of being able to benefit from additional space on the front face compared to the terminals of the prior art, since it is no longer necessary to provide there a specific space for the entrance opening.
  • the waveguide 12 is also present when the terminal 1 is in the hands-free position.
  • it is formed by the rear face 4 of the housing 2, on the one hand, and the cavity created between the terminal and the wall against which the rear face 4 is applied, on the other hand.
  • This wall can be constituted by a table plan, the edge of a wall if the terminal is in a vertical position, or the like.
  • the inlet opening 11 is located near a border area 14 between the rear face 4 and the base 5 of the housing 2 so that its distance from the earpiece is as large as possible.
  • the inlet opening 11 is preferably centered relative to the lateral edges 6 of the housing 2.
  • a recess is provided in the border area 14.
  • the recess is a recess 15 having a rounded shape and formed on a part of said border area 14.
  • the recess 15 extends substantially in the center of the border area 14.
  • the recess has the shape of a bevel 16.
  • the terminal 1 may include a primer for acoustic waveguides formed in the housing 2, near the microphone and the input of which is oriented towards the microphone and the outlet of which is oriented towards the inlet opening 11.
  • the invention also relates to a hands-free device 16 as shown in FIG. 7.
  • This device 16 comprises a terminal 1 as described above and a box 17 for receiving the terminal 1.
  • One of the edges, in the figure, the bottom 18 of the reception box 17 constitutes a means forming a wall separate from the terminal 1, making it possible to create, with the rear face 4 of the housing 2 of the terminal 1, an acoustic waveguide 12 ′ similar to the waveguide 12 which serves to guide the speech emitted by a user towards the inlet opening 11 constituting the interface d entry with the microphone.
  • the wall means consists of the element against which the rear face 4 of the housing 2 is applied.
  • the invention relates to a means forming an acoustic waveguide intended for use with the terminal 1 described above, having a shape such that it creates, with the rear face 4 of the housing 2 of the terminal, a waveguide acoustic to guide the speech emitted by a user to the inlet opening 11 constituting the input interface with the microphone.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The rear mounted microphone enables a reduction in size of the phone. The radio communication or mobile telephone terminal comprises a rectangular box with a front face on which are mounted the normal keypads (9) and display panel (7). The terminal includes a microphone and a loudspeaker mounted within the box, and apertures for the entry and exit of sound adjacent to these two components. The aperture (11) for entry of sound to the microphone is formed in the rear surface of the box (14), near to the base (5). In use, the user holds the handset in such a way that the palm of the hand forms a reflector, guiding the user's speech signal towards the microphone, ensuring that the speech is readily detected by the microphone.

Description

L'invention concerne un terminal de radiocommunication.The invention relates to a radiocommunication terminal.

Par terminal de radiotélécommunication on entend plus précisément mais de manière non limitative les terminaux des téléphones sans fil et les terminaux mobiles de type GSM.By radio telecommunications terminal is meant more precisely but not limited to the terminals of wireless telephones and mobile terminals of the GSM type.

L'invention s'applique plus particulièrement aux terminaux de radiotélécommunication de petite taille pour lesquels il est difficile de reproduire la distance bouche-oreille de l'utilisateur, requise pour obtenir une bonne exploitation de la partie audio du terminal.The invention applies more particularly to small radio communication terminals for which it is difficult to reproduce the word-of-mouth distance of the user, required to obtain good exploitation of the audio part of the terminal.

Usuellement, les terminaux de radiocommunication comportent un boîtier présentant une face avant, une face arrière et une base. La face avant comporte généralement un clavier, un écran, une ouverture d'entrée constituant une interface d'entrée avec un microphone et une ouverture de sortie constituant une interface de sortie avec un écouteur. Le microphone et l'écouteur sont montés dans le boîtier, l'entrée du microphone et la sortie de l'écouteur étant orientées respectivement vers l'ouverture d'entrée et l'ouverture de sortie.Usually, the radiocommunication terminals comprise a box having a front face, a rear face and a base. The front panel generally comprises a keyboard, a screen, an input opening constituting an input interface with a microphone and an output opening constituting an output interface with a headset. The microphone and the earphone are mounted in the housing, the microphone inlet and the earphone outlet being oriented respectively towards the inlet opening and the outlet opening.

Une solution au problème mentionné plus haut consiste à ajouter dans le terminal une pièce permettant de déployer le micro de sorte que la distance entre le microphone et l'écouteur du terminal corresponde sensiblement à la distance bouche-oreille de l'utilisateur.One solution to the problem mentioned above consists in adding in the terminal a part making it possible to deploy the microphone so that the distance between the microphone and the earpiece of the terminal corresponds substantially to the word-of-mouth distance of the user.

Dans le document EP 0 651 546, cette pièce est sous la forme d'un volet articulé à la base du boîtier, qui, en position d'utilisation, prolonge le terminal. Ce volet contient le microphone et présente une ouverture d'entrée sur la face correspondant à la face avant du boîtier.In document EP 0 651 546, this part is in the form of a hinged flap at the base of the housing, which, in the use position, extends the terminal. This flap contains the microphone and has an entry opening on the face corresponding to the front face of the housing.

Ce document décrit également une autre solution selon laquelle le volet est remplacé par une pièce plus courte orientable.This document also describes another solution according to which the flap is replaced by a shorter orientable part.

Cependant ces solutions nécessitent l'apport d'une pièce mécanique supplémentaire sur le terminal avec des moyens mécaniques de liaison, ce qui augmente le volume et le coût du terminal.However, these solutions require the addition of an additional mechanical part to the terminal with mechanical connection means, which increases the volume and the cost of the terminal.

En outre, les moyens mécaniques de liaison ont une durée de vie limitée et ont, comme tout matériel mécanique, une fiabilité très relative.In addition, the mechanical connection means have a limited lifespan and have, like all mechanical equipment, very relative reliability.

L'invention vise donc à palier ces inconvénients.The invention therefore aims to overcome these drawbacks.

L'invention a pour objet un terminal téléphonique dont la structure permet de respecter la distance requise entre la bouche et l'oreille de l'utilisateur, de manière à obtenir une bonne exploitation de la partie audio du poste, et sans ajouter d'élément mécanique supplémentaire sur le terminal.The subject of the invention is a telephone terminal whose structure makes it possible to respect the required distance between the mouth and the ear of the user, so as to obtain good exploitation of the audio part of the station, and without adding any element. additional mechanical on the terminal.

L'invention concerne, en outre, un terminal de radiocommunication dont le coût et le volume sont réduits.The invention further relates to a radiocommunication terminal whose cost and volume are reduced.

A cet effet et suivant un premier aspect, l'invention propose un terminal de radiocommunication, comportant un boîtier présentant une face avant, une face arrière et une base, le terminal comportant en outre un microphone et un écouteur montés dans le boîtier, et au moins une ouverture d'entrée constituant une interface d'entrée avec le microphone et au moins une ouverture de sortie constituant une interface de sortie avec l'écouteur, caractérisé en ce que l'ouverture d'entrée est sur ladite face arrière.To this end and according to a first aspect, the invention provides a radiocommunication terminal, comprising a housing having a front face, a rear face and a base, the terminal further comprising a microphone and an earpiece mounted in the housing, and at at least one entry opening constituting an entry interface with the microphone and at least one exit opening constituting an exit interface with the earphone, characterized in that the entry opening is on said rear face.

Ainsi, en position normale d'utilisation, c'est dire lorsque l'utilisateur est en communication et tient son terminal dans la main, l'ouverture d'entrée constituant l'interface d'entrée avec le microphone est du côté de la paume de la main, de sorte qu'un guide d'ondes acoustiques est formé par la face arrière du boîtier, d'une part, et la cavité formée entre le terminal et la paume de la main d'autre part.Thus, in the normal position of use, that is to say when the user is in communication and holds his terminal in the hand, the entry opening constituting the entry interface with the microphone is on the palm side. by hand, so that an acoustic waveguide is formed by the rear face of the housing, on the one hand, and the cavity formed between the terminal and the palm of the hand on the other hand.

Par conséquent, la distance bouche-oreille de l'utilisateur est reproduite, de sorte qu'une bonne exploitation de la partie audio est obtenue augmenter le volume et le coût du terminal ou réduire sa fiabilité.Consequently, the word-of-mouth distance of the user is reproduced, so that good exploitation of the audio part is obtained, increasing the volume and the cost of the terminal or reducing its reliability.

En outre, en position mains-libres, c'est à dire lorsque le terminal est posé par exemple sur une table, cette dernière permet également de former un guide d'ondes acoustiques, de sorte que la transmission du son est également bonne dans cette position.In addition, in the hands-free position, that is to say when the terminal is placed for example on a table, the latter also makes it possible to form an acoustic waveguide, so that the sound transmission is also good in this position.

Suivant un mode de réalisation permettant d'éloigner au maximum le microphone de l'écouteur, le microphone est monté à proximité d'une zone frontalière entre la base et la face arrière du boîtier.According to an embodiment making it possible to move the microphone as far as possible from the earpiece, the microphone is mounted near a border area between the base and the rear face of the housing.

En outre, pour améliorer encore le guidage de la parole de l'utilisateur, un évidement est ménagé dans la zone frontalière.In addition, to further improve the guidance of the user's speech, a recess is provided in the border area.

Cet évidement peut présenter une forme arrondie ménagée sur une partie de ladite zone frontalière, s'étendant sensiblement au centre de la zone frontalière.This recess may have a rounded shape formed on a part of said border area, extending substantially at the center of the border area.

Suivant un autre mode de réalisation, l'évidement présente une forme de biseau.According to another embodiment, the recess has a bevel shape.

Pour ne pas avoir à modifier la position du microphone dans les terminaux déjà existant pour lesquels le microphone est usuellement orienté vers la face avant du boîtier, le terminal comporte, en outre, une amorce de guide d'ondes acoustiques ménagée dans le boîtier, à proximité du microphone et dont l'entrée est orientée vers le microphone et dont la sortie est orientée vers l'ouverture d'entrée constituant l'interface d'entrée avec le microphone.In order not to have to modify the position of the microphone in the already existing terminals for which the microphone is usually oriented towards the front face of the housing, the terminal further comprises an acoustic waveguide primer formed in the housing, near the microphone and whose input is oriented towards the microphone and whose output is oriented towards the inlet opening constituting the input interface with the microphone.

Suivant un deuxième aspect, l'invention propose un appareil mains-libres comportant un terminal selon l'invention, caractérisé en ce qu'il comporte en outre un moyen formant paroi distinct du terminal, permettant de créer, avec la face arrière du boîtier du terminal, un guide d'ondes acoustiques permettant de guider la parole émise par un utilisateur vers l'ouverture d'entrée constituant l'interface d'entrée avec le microphone.According to a second aspect, the invention provides a hands-free device comprising a terminal according to the invention, characterized in that it further comprises a means forming a wall separate from the terminal, making it possible to create, with the rear face of the housing of the terminal, an acoustic wave guide making it possible to guide the speech emitted by a user towards the entry opening constituting the entry interface with the microphone.

Suivant un mode de réalisation, le moyen formant paroi est constitué par l'élément contre lequel la face arrière du boîtier est appliquée.According to one embodiment, the wall-forming means consists of the element against which the rear face of the housing is applied.

Suivant un troisième aspect, l'invention propose un moyen formant guide d'ondes acoustiques destiné à être utilisé avec un terminal selon l'invention, présentant une forme telle qu'il crée, avec la face arrière du boîtier du terminal, un guide d'ondes acoustiques permettant de guider la parole émise par un utilisateur vers l'ouverture d'entrée constituant l'interface d'entrée avec le microphone.According to a third aspect, the invention proposes a means forming an acoustic waveguide intended for use with a terminal according to the invention, having a shape such that it creates, with the rear face of the terminal housing, a guide acoustic waves for guiding speech emitted by a user to the entry opening constituting the entry interface with the microphone.

L'invention sera mieux comprise dans la description qui va suivre de modes de réalisation donnés uniquement à titre d'exemple, en référence aux figures annexées.The invention will be better understood in the description which follows of embodiments given solely by way of example, with reference to the appended figures.

La figure 1 est une représentation schématique en perspective, vue côté face avant d'un premier mode de réalisation d'un terminal selon l'invention, en position d'utilisation.Figure 1 is a schematic perspective representation, front side view of a first embodiment of a terminal according to the invention, in the position of use.

La figure 2 est une représentation schématique en perspective, vue côté face arrière du terminal de la figure 1.FIG. 2 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 1.

La figure 3 est une représentation schématique en perspective, vue côté face avant d'un deuxième mode de réalisation d'un terminal en position d'utilisation.Figure 3 is a schematic perspective representation, front side view of a second embodiment of a terminal in the use position.

La figure 4 est une représentation schématique en perspective, vue côté face arrière du terminal de la figure 3.FIG. 4 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 3.

La figure 5 est une représentation schématique en perspective, vue côté face avant d'un troisième mode de réalisation d'un terminal en position d'utilisation.Figure 5 is a schematic perspective representation, front side view of a third embodiment of a terminal in the use position.

La figure 6 est une représentation schématique en perspective, vue côté face arrière du terminal de la figure 5.FIG. 6 is a schematic perspective representation, viewed from the rear face side of the terminal of FIG. 5.

La figure 7 est une représentation schématique en perspective, vue côté face avant d'un mode de réalisation d'un appareil mains-libres selon l'invention.Figure 7 is a schematic perspective representation, front side view of an embodiment of a hands-free device according to the invention.

Le terminal 1 est destiné à être utilisé soit en position dite normale, où il est dans la main de l'utilisateur, soit en position mains-libres.The terminal 1 is intended to be used either in the so-called normal position, where it is in the user's hand, or in the hands-free position.

Il comporte un boîtier 2 présentant une face avant 3, une face arrière 4, une base 5 et des bords latéraux 6.It comprises a housing 2 having a front face 3, a rear face 4, a base 5 and side edges 6.

Sur la face avant 3 sont montés notamment un écran 7 et un clavier 8 à touches 9. La face avant 3 comporte, en outre une ouverture de sortie 10 qui constitue une interface avec un écouteur (non représenté) monté dans le boîtier 2. Comme cela est connu de l'homme du métier, l'interface avec l'écouteur peut être constituée de plusieurs ouvertures de sortie 10.On the front face 3 are mounted in particular a screen 7 and a keyboard 8 with keys 9. The front face 3 further comprises an outlet opening 10 which constitutes an interface with a listener (not shown) mounted in the housing 2. As this is known to a person skilled in the art, the interface with the earpiece can consist of several outlet openings 10.

Le terminal 1 comporte, en outre une ouverture d'entrée 11 constituant une interface d'entrée avec un microphone (non représenté) monté également dans le boîtier 2. Là encore, l'interface d'entrée peut être constituée de plusieurs ouvertures d'entrée 11.The terminal 1 further comprises an input opening 11 constituting an input interface with a microphone (not shown) also mounted in the housing 2. Here again, the input interface can consist of several openings entry 11.

Selon l'invention, l'ouverture d'entrée 11 est ménagée sur la face arrière 4 du boîtier 2 du terminal 1.According to the invention, the inlet opening 11 is formed on the rear face 4 of the housing 2 of the terminal 1.

Ainsi, en position normale d'utilisation, la parole émise par l'utilisateur est guidée vers l'ouverture d'entrée 11 par l'intermédiaire d'un guide d'ondes acoustiques 12, représenté en pointillés sur la figure 1, qui est formé par la face arrière 4 du boîtier 2, d'une part, et par la cavité créée entre le terminal et la paume de la main 13 de l'utilisateur, d'autre part. Ce guide d'onde 12 permet de reproduire la distance bouche-oreille de l'utilisateur, requise pour avoir une bonne exploitation de la partie audio du terminal 1, et ce plus particulièrement pour les terminaux de petite taille.Thus, in the normal position of use, the speech emitted by the user is guided towards the inlet opening 11 by means of an acoustic wave guide 12, shown in dotted lines in FIG. 1, which is formed by the rear face 4 of the housing 2, on the one hand, and by the cavity created between the terminal and the palm of the hand 13 of the user, on the other hand. This waveguide 12 makes it possible to reproduce the word-of-mouth distance of the user, required to have good exploitation of the audio part of the terminal 1, and this more particularly for small terminals.

Cependant, cette structure peut également s'appliquer à des terminaux de plus grande taille pour lesquels la distance ouverture d'entrée-ouverture de sortie correspond déjà sensiblement à la distance bouche-oreille de l'utilisateur. Elle présente en effet l'avantage, dans ce cas, de pouvoir bénéficier de place supplémentaire sur la face avant par rapport aux terminaux de l'art antérieur, puisqu'il n'est plus nécessaire d'y prévoir un espace spécifique pour l'ouverture d'entrée.However, this structure can also be applied to larger terminals for which the distance between inlet opening and outlet opening already corresponds substantially to the mouth-to-ear distance of the user. It has the advantage, in this case, of being able to benefit from additional space on the front face compared to the terminals of the prior art, since it is no longer necessary to provide there a specific space for the entrance opening.

Le guide d'onde 12 est également présent lorsque le terminal 1 est en position mains-libres. Dans ce cas, il est formé par la face arrière 4 du boîtier 2, d'une part, et la cavité créée entre le terminal et la paroi contre laquelle la face arrière 4 est appliquée, d'autre part. Cette paroi peut être constituée par un plan de table, le bord d'un mur si le terminal est en position verticale, ou analogue.The waveguide 12 is also present when the terminal 1 is in the hands-free position. In this case, it is formed by the rear face 4 of the housing 2, on the one hand, and the cavity created between the terminal and the wall against which the rear face 4 is applied, on the other hand. This wall can be constituted by a table plan, the edge of a wall if the terminal is in a vertical position, or the like.

De préférence, l'ouverture d'entrée 11 est située à proximité d'une zone frontalière 14 entre la face arrière 4 et la base 5 du boîtier 2 pour que sa distance avec l'écouteur soit la plus grande possible. D'autre part, compte tenu de la forme de la main de l'utilisateur, l'ouverture d'entrée 11 est de préférence centrée par rapport aux bords latéraux 6 du boîtier 2.Preferably, the inlet opening 11 is located near a border area 14 between the rear face 4 and the base 5 of the housing 2 so that its distance from the earpiece is as large as possible. On the other hand, taking into account the shape of the user's hand, the inlet opening 11 is preferably centered relative to the lateral edges 6 of the housing 2.

Pour améliorer le guidage de la parole de l'utilisateur, un évidement est ménagé dans la zone frontalière 14.To improve the guidance of the user's speech, a recess is provided in the border area 14.

Suivant un premier mode de réalisation, tel que représenté aux figures 3 et 4, l'évidement est un creux 15 présentant une forme arrondie et ménagé sur une partie de ladite zone frontalière 14. De préférence, le creux 15 s'étend sensiblement au centre de la zone frontalière 14.According to a first embodiment, as shown in Figures 3 and 4, the recess is a recess 15 having a rounded shape and formed on a part of said border area 14. Preferably, the recess 15 extends substantially in the center of the border area 14.

Suivant un deuxième mode de réalisation, tel que représenté aux figures 5 et 6, l'évidement présente une forme de biseau 16.According to a second embodiment, as shown in FIGS. 5 and 6, the recess has the shape of a bevel 16.

Bien entendu, la portée de la présente invention ne se limite pas aux détails des formes de réalisation ci-dessus considérées à titre d'exemple, mais s'étend au contraire aux modifications à la portée de l'homme de l'art.Of course, the scope of the present invention is not limited to the details of the above embodiments considered by way of example, but on the contrary extends to modifications within the reach of ordinary skill in the art.

En outre, pour ne pas avoir à modifier l'emplacement du microphone dans les terminaux actuels, le terminal 1 peut comporter une amorce de guide d'ondes acoustiques ménagée dans le boîtier 2, à proximité du microphone et dont l'entrée est orientée vers le microphone et dont la sortie est orientée vers l'ouverture d'entrée 11.In addition, so as not to have to modify the location of the microphone in current terminals, the terminal 1 may include a primer for acoustic waveguides formed in the housing 2, near the microphone and the input of which is oriented towards the microphone and the outlet of which is oriented towards the inlet opening 11.

L'invention concerne également un appareil mains-libres 16 tel que représenté à la figure 7.The invention also relates to a hands-free device 16 as shown in FIG. 7.

Cet appareil 16 comporte un terminal 1 tel que décrit précédemment et un boîtier 17 de réception du terminal 1. Un des bords, sur la figure le fond 18 du boîtier de réception 17 constitue un moyen formant paroi distinct du terminal 1, permettant de créer, avec la face arrière 4 du boîtier 2 du terminal 1, un guide d'ondes acoustiques 12' semblable au guide d'onde 12 qui sert à guider la parole émise par un utilisateur vers l'ouverture d'entrée 11 constituant l'interface d'entrée avec le microphone.This device 16 comprises a terminal 1 as described above and a box 17 for receiving the terminal 1. One of the edges, in the figure, the bottom 18 of the reception box 17 constitutes a means forming a wall separate from the terminal 1, making it possible to create, with the rear face 4 of the housing 2 of the terminal 1, an acoustic waveguide 12 ′ similar to the waveguide 12 which serves to guide the speech emitted by a user towards the inlet opening 11 constituting the interface d entry with the microphone.

D'une manière plus générale, le moyen formant paroi est constitué par l'élément contre lequel la face arrière 4 du boîtier 2 est appliquée.More generally, the wall means consists of the element against which the rear face 4 of the housing 2 is applied.

Enfin, l'invention concerne un moyen formant guide d'ondes acoustiques destiné à être utilisé avec le terminal 1 décrit précédemment, présentant une forme telle qu'il crée, avec la face arrière 4 du boîtier 2 du terminal, un guide d'ondes acoustiques permettant de guider la parole émise par un utilisateur vers l'ouverture d'entrée 11 constituant l'interface d'entrée avec le microphone.Finally, the invention relates to a means forming an acoustic waveguide intended for use with the terminal 1 described above, having a shape such that it creates, with the rear face 4 of the housing 2 of the terminal, a waveguide acoustic to guide the speech emitted by a user to the inlet opening 11 constituting the input interface with the microphone.

Claims (10)

Terminal de radiocommunication, comportant un boîtier (2) présentant une face avant (3), une face arrière (4) et une base (5), le terminal comportant en outre un microphone et un écouteur montés dans le boîtier (2), et au moins une ouverture d'entrée (11) constituant une interface d'entrée avec le microphone et au moins une ouverture de sortie (10) constituant une interface de sortie avec l'écouteur, caractérisé en ce que l'ouverture d'entrée (11) est sur ladite face arrière (4).Radiocommunication terminal, comprising a housing (2) having a front face (3), a rear face (4) and a base (5), the terminal further comprising a microphone and an earphone mounted in the housing (2), and at least one inlet opening (11) constituting an inlet interface with the microphone and at least one outlet opening (10) constituting an outlet interface with the earpiece, characterized in that the inlet opening ( 11) is on said rear face (4). Terminal selon la revendication 1, caractérisé en ce que le microphone est monté à proximité d'une zone frontalière (14) entre la base (5) et la face arrière (4) du boîtier (2).Terminal according to claim 1, characterized in that the microphone is mounted near a border area (14) between the base (5) and the rear face (4) of the housing (2). Terminal selon la a revendication 1 ou 2, caractérisé en ce qu'un évidement (15, 16) est ménagé dans une zone frontalière (14) entre la base (5) et la face arrière (4).Terminal according to claim 1 or 2, characterized in that a recess (15, 16) is formed in a border area (14) between the base (5) and the rear face (4). Terminal selon la revendication 3, caractérisé en ce que l'évidement présente une forme arrondie (15) ménagée sur une partie de ladite zone frontalière (14).Terminal according to claim 3, characterized in that the recess has a rounded shape (15) formed on a part of said border area (14). Terminal selon la revendication 4, caractérisé en ce que la forme arrondie (15) s'étend sensiblement au centre de la zone frontalière (14).Terminal according to claim 4, characterized in that the rounded shape (15) extends substantially in the center of the border area (14). Terminal selon la revendication 3, caractérisé en ce que l'évidement présente une forme de biseau (16).Terminal according to claim 3, characterized in that the recess has a bevel shape (16). Terminal selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'il comporte, en outre, une amorce de guide d'ondes acoustiques ménagée dans le boîtier (2), à proximité du microphone et dont l'entrée est orientée vers le microphone et dont la sortie est orientée vers l'ouverture d'entrée (11) constituant l'interface d'entrée avec le microphone.Terminal according to any one of claims 1 to 6, characterized in that it further comprises an acoustic waveguide primer formed in the housing (2), close to the microphone and whose input is oriented towards the microphone and the outlet of which is oriented towards the inlet opening (11) constituting the inlet interface with the microphone. Appareil mains-libres comportant un terminal conforme à l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il comporte en outre un moyen formant paroi (18) distinct du terminal, permettant de créer, avec la face arrière (4) du boîtier (2) du terminal, un guide d'ondes acoustiques (12') permettant de guider la parole émise par un utilisateur vers l'ouverture d'entrée (11) constituant l'interface d'entrée avec le microphone.Hands-free device comprising a terminal according to any one of claims 1 to 7, characterized in that it further comprises a wall-forming means (18) distinct from the terminal, making it possible to create, with the rear face (4) from the terminal housing (2), an acoustic waveguide (12 ′) for guiding the speech emitted by a user towards the entry opening (11) constituting the entry interface with the microphone. Appareil selon la revendication 8, caractérisé en ce que le moyen formant paroi est constitué par l'élément (18) contre lequel la face arrière (4) du boîtier (2) est appliquée.Apparatus according to claim 8, characterized in that the wall means is constituted by the element (18) against which the rear face (4) of the housing (2) is applied. Moyen formant guide d'ondes acoustiques destiné à être utilisé avec un terminal selon l'une quelconque des revendications 1 à 7, présentant une forme telle qu'il crée, avec la face arrière (4) du boîtier (2) du terminal, un guide d'ondes acoustiques permettant de guider la parole émise par un utilisateur vers l'ouverture d'entrée (11) constituant l'interface d'entrée avec le microphone.Acoustic waveguide means for use with a terminal according to any one of claims 1 to 7, having a shape such that it creates, with the rear face (4) of the housing (2) of the terminal, a acoustic waveguide for guiding speech emitted by a user to the input opening (11) constituting the input interface with the microphone.
EP99400794A 1998-04-20 1999-04-01 Radiocommunications terminal Expired - Lifetime EP0952719B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9804929A FR2777719B1 (en) 1998-04-20 1998-04-20 RADIOCOMMUNICATION TERMINAL
FR9804929 1998-04-20

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EP0952719A1 true EP0952719A1 (en) 1999-10-27
EP0952719B1 EP0952719B1 (en) 2007-10-24

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EP (1) EP0952719B1 (en)
JP (1) JP2000032106A (en)
AU (1) AU743990B2 (en)
CA (1) CA2262123A1 (en)
DE (1) DE69937382T2 (en)
ES (1) ES2296374T3 (en)
FR (1) FR2777719B1 (en)

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JP4314095B2 (en) * 2003-10-30 2009-08-12 埼玉日本電気株式会社 Mobile phone
JP5926950B2 (en) 2011-12-22 2016-05-25 京セラ株式会社 Electronics
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JP5865458B2 (en) * 2014-09-09 2016-02-17 京セラ株式会社 Electronics

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CA2262123A1 (en) 1999-10-20
AU743990B2 (en) 2002-02-14
FR2777719A1 (en) 1999-10-22
DE69937382D1 (en) 2007-12-06
EP0952719B1 (en) 2007-10-24
US6389297B1 (en) 2002-05-14
JP2000032106A (en) 2000-01-28
ES2296374T3 (en) 2008-04-16
DE69937382T2 (en) 2008-07-24
AU2358599A (en) 1999-10-28
FR2777719B1 (en) 2000-05-26

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